Element block pseudo-class :active generated with z-index auto height auto display block position static overflow hidden width 160px box-sizing content-box border-radius font-size 16px border 0px rgba(0,0,0,1) solid float none background text-shadow 1px 1px 1px rgba(0,0,0,0.2) margin 0px font-weight normal cursor default box-shadow 1px 1px 1px rgba(0,0,0,0.3) padding 20px line-height 1 transition transform